Home / 3,921,615.51-5,411,960.67-2,179,358.34

Finding the Fourth Proportional to 3,921,615.51, 5,411,960.67 and 2,179,358.34

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Solution

The fourth proportional to 3,921,615.51, 5,411,960.67 and 2,179,358.34 is: 3,007,587.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,615.51 : 5,411,960.67 = 2,179,358.34 : x
  2. Step 2: Convert to fraction form
    3,921,615.51/5,411,960.67 = 2,179,358.34/x
  3. Step 3: Cross multiply
    3,921,615.51x = 5,411,960.67 × 2,179,358.34
  4. Step 4: Simplify right side
    3,921,615.51x = 11,794,601,621,916.49
  5. Step 5: Solve for x
    x = 11,794,601,621,916.49/3,921,615.51
  6. Step 6: Final answer
    x = 3,007,587.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.